1  /* Prototypes for exported functions defined in c6x.cc.
       2     Copyright (C) 2010-2023 Free Software Foundation, Inc.
       3     Contributed by CodeSourcery.
       4  
       5     This file is part of GCC.
       6  
       7     GCC is free software; you can redistribute it and/or modify it
       8     under the terms of the GNU General Public License as published
       9     by the Free Software Foundation; either version 3, or (at your
      10     option) any later version.
      11  
      12     GCC is distributed in the hope that it will be useful, but WITHOUT
      13     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
      14     or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
      15     License for more details.
      16  
      17     You should have received a copy of the GNU General Public License
      18     along with GCC; see the file COPYING3.  If not see
      19     <http://www.gnu.org/licenses/>.  */
      20  
      21  #ifndef GCC_C6X_PROTOS_H
      22  #define GCC_C6X_PROTOS_H
      23  
      24  /* Functions defined in c6x.cc.  */
      25  
      26  #ifdef RTX_CODE
      27  extern void c6x_init_cumulative_args (CUMULATIVE_ARGS *, const_tree, rtx, int);
      28  extern bool c6x_block_reg_pad_upward (machine_mode, const_tree, bool);
      29  
      30  extern bool c6x_legitimate_address_p_1 (machine_mode, rtx, bool, bool);
      31  extern bool c6x_mem_operand (rtx, enum reg_class, bool);
      32  extern bool expand_move (rtx *, machine_mode);
      33  
      34  extern bool c6x_long_call_p (rtx);
      35  extern void c6x_expand_call (rtx, rtx, bool);
      36  extern rtx c6x_expand_compare (rtx, machine_mode);
      37  extern bool c6x_force_op_for_comparison_p (enum rtx_code, rtx);
      38  extern bool c6x_expand_cpymem (rtx, rtx, rtx, rtx, rtx, rtx);
      39  
      40  extern rtx c6x_subword (rtx, bool);
      41  extern void split_di (rtx *, int, rtx *, rtx *);
      42  extern bool c6x_valid_mask_p (HOST_WIDE_INT);
      43  
      44  extern char c6x_get_unit_specifier (rtx_insn *);
      45  
      46  extern void c6x_final_prescan_insn(rtx_insn *insn, rtx *opvec, int noperands);
      47  
      48  extern int c6x_nsaved_regs (void);
      49  extern HOST_WIDE_INT c6x_initial_elimination_offset (int, int);
      50  extern void c6x_expand_prologue (void);
      51  extern void c6x_expand_epilogue (bool);
      52  
      53  extern rtx c6x_return_addr_rtx (int);
      54  
      55  extern void c6x_set_return_address (rtx, rtx);
      56  
      57  enum reg_class c6x_regno_reg_class (int);
      58  #endif
      59  
      60  extern void c6x_override_options (void);
      61  extern void c6x_optimization_options (int, int);
      62  
      63  extern void c6x_output_file_unwind (FILE *);
      64  
      65  extern void c6x_function_end (FILE *, const char *);
      66  
      67  #endif /* GCC_C6X_PROTOS_H */